The act of letting air escape the corner of your mouth upon toking on a joint, resulting in an accidental raspberry. The name is derived from the term 'queef', a vaginal fart, and spliff, a coloquial term for the combination of tobacco and marijuana.

A competitive sport in a 3D sandbox indie game called Minecraft. Gameplay consists of removing floor blocks from a stadium to make other players fall through the floor. The last player standing is declared the winner. After the game the floor is filled back in and the players compete again. Spleef is played in a specialized "Spleef Arena" composed of the main Spleef floor, a viewing area, and a lower floor to catch losers. The name is a pun on the word Grief, as the players resemble Griefers trying to make the other players fall through a floor.

A competitive sport played in Minecraft. Gameplay consists of deleting blocks under you feet while running around in an arena. The goal is to delete the blocks so that other players will fall through while avoiding the same fate yourself. Spleef is a pun on the word Grief.